I had emailed a user on the Photshop Users list answering a question he'd asked and in his email reply, he had his sites in his sig.

Out of curiosity, I took a look and he has the coolest thing on his portrait page(s). When you click on an image in his gallery(s), the resulting display shows not only the image you clicked on but also a navigation page numbers. If you hover the mouse over a page number a small thumbnail of the image on that page is displayed...